login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A072015 Maxima when the mapping of A072010 is applied to n repeatedly. 2
1, 2, 1, 4, 7, 2, 7, 8, 1, 14, 9, 4, 15, 14, 7, 16, 19, 2, 19, 28, 7, 18, 21, 8, 49, 30, 1, 28, 31, 14, 31, 32, 9, 38, 35, 4, 39, 38, 15, 56, 43, 14, 43, 36, 7, 42, 45, 16, 49, 98, 19, 60, 63, 2, 63, 56, 19, 62, 57, 28, 63, 62, 7, 64, 105, 18, 105, 76, 21, 70 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..70.

EXAMPLE

The trajectory of 89 under the A072010-mapping is:

89 ->91 ->75 ->49 ->25 ->49 ..., therefore a(89) = 91.

CROSSREFS

Cf. A072014.

Sequence in context: A255588 A328034 A123360 * A123242 A322941 A217205

Adjacent sequences:  A072012 A072013 A072014 * A072016 A072017 A072018

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jun 05 2002

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 9 00:03 EDT 2021. Contains 343685 sequences. (Running on oeis4.)